1turf 
/ˈtɚf/ noun
plural turfs also British turves /ˈtɚf/ noun /ˈtɚvz/ 1 a [noncount] : the upper layer of ground that is made up of grass and plant roots
▪ a piece of turf
b Brit : a square piece of turf cut out of the ground that is used for making lawns [count] ▪ a lawn made by laying turfs [noncount] ▪ a lawn made by laying turf [=(US) sod] 2 : a material that looks like grass and that is used especially to cover athletic fields [noncount] ▪ Synthetic turf was installed in the playing field instead of grass. [count] ▪ playing fields with artificial turfs 3 : an area or a place that you control or that feels like your home [count] ▪ gangs defending/protecting their turfs ▪ The team beat us on our own turf. [=we were defeated at home] [noncount] ▪ gangs defending/protecting their turf ▪ The team played on home turf. ▪ turf wars between gangs — often used figuratively ▪ In chapter two, the author is on unfamiliar turf. [=is dealing with an unfamiliar subject] 4 the turf : the sport or business of horse racing — often used as turf before another noun ▪ turf writers/races
▪ a piece of turf
b Brit : a square piece of turf cut out of the ground that is used for making lawns [count] ▪ a lawn made by laying turfs [noncount] ▪ a lawn made by laying turf [=(US) sod]
— see also surf and turf
